package cn.tedu._04mybatis.mapper;

import cn.tedu._04mybatis.pojo.entity.Comment;
import cn.tedu._04mybatis.pojo.vo.CommentVo1;
import cn.tedu._04mybatis.pojo.vo.CommentVo2;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CommentMapper {

    @Insert("INSERT INTO comment(content,created,user_id,weibo_id) values (#{content},#{created},#{userId},#{weiboId})")
    int insertComment(Comment comment);

    @Delete("DELETE FROM comment WHERE id=#{id}")
    int deleteById(Long id);

    @Update("UPDATE comment set content=#{content} WHERE id=#{id}")
    int updateById(Comment comment);

    @Select("SELECT content,user_id userId,weibo_id weiboId FROM comment WHERE id=#{id}")
    CommentVo1 selectCommentById1(Long id);

    @Select("SELECT content,user_id userId FROM comment WHERE weibo_id=#{wId}")
    List<CommentVo2> selectCommentById2(Long wId);

}
